/*
 * ========================================================================
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * ========================================================================
 */

package com.manning.junitbook.ch03;

public class Calculator {
    public double add(double number1, double number2) {
        return number1 + number2;
    }

    public double sqrt(double x) {
        if (x < 0) {
            throw new IllegalArgumentException("Cannot extract the square root of a negative value");
        }
        return Math.sqrt(x);
    }

    public double divide(double x, double y) {
        if (y == 0) {
            throw new ArithmeticException("Cannot divide by zero");
        }
        return x / y;
    }


}
